USCG USCG Steam
Set 15 • Question #189 of 496
Launch Interactive Practice Room The purpose of the diffuser in a boiler burner assembly is to __________.
A
break up fuel oil into a fine spray
B
assist combustion by heating incoming air
C
shield the flame from the incoming air blast while allowing some mixing of fuel and air
✓ Correct Answer
D
diffuse flame to all corners of the furnace
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'The purpose of the diffuser in a boiler burner assembly is to', the verified engineering fact is: 'shield the flame from the incoming air blast while allowing some mixing of fuel and air'.
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